support DBT_ENGINE prefix for DBT_RECORDER env vars

[MichelleArk]

In tandem with dbt-labs/dbt-common#323, support DBT_ENGINE prefix for recorder-related env vars

[github-actions]

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.93%. Comparing base (1bd81f5) to head (452aad4).
⚠️ Report is 4 commits behind head on main.

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12149      +/-   ##
==========================================
+ Coverage   91.92%   91.93%   +0.01%     
==========================================
  Files         203      203              
  Lines       24846    24846              
==========================================
+ Hits        22839    22843       +4     
+ Misses       2007     2003       -4     

Flag	Coverage Δ
integration	88.87% <0.00%> (+0.08%)	⬆️
unit	65.16% <0.00%> (ø)

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Components	Coverage Δ
Unit Tests	65.16% <0.00%> (ø)
Integration Tests	88.87% <0.00%> (+0.08%)	⬆️

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